Historical World Population Data

compiled by Wm. Robert Johnston
last modified 21 February 2015

The following historical population figures are compiled from multiple sources. They are not of uniform reliability or methodology and may not represent uniform time series. They are presented as illustrative of the development of global demographic trends. Sources are given at the end of the page.

United Nations Population Division, 2013, "World Population Prospects: The 2012 Revision, File INT/2A-1," United Nations, on line [http://esa.un.org/unpd/wpp/Excel-Data/EXCEL_FILES/5_Interpolated/WPP2012_INT_F02A_1_ANNUAL_POPULATION_INDICATORS_BOTH_SEXES.XLS].

US Census Bureau, 2011, "Table 2. Intercensal Estimates of the Resident Population by Sex, Race, and Hispanic Origin for the United States: April 1, 2000 to July 1, 2010," Census Bureau, on line [https://www.census.gov/popest/data/intercensal/national/tables/US-EST00INT-02.xls].